Coleman 1000L LED Lantern with Enhanced Battery Protection, Water-Resistant, Batteries Last up to 25% Longer Than Other LanternsBatteryGuard technology stops battery drain to preserve battery life and reduce corrosion Allows batteries to be stored in lantern for years (up to their inherent shelf life) 3 modes: high, medium, low; lasts up to 30 hours on high and uses 4 D batteries (sold separately) Brightness: up to 800 lumens; beam distance: up to 15 meters IPX4 water resistant design; impact resistant up to 2 meters (on dirt) Lifetime LEDs never need replacing; 3 year limited